Durable Unlike other cheap clock, this round alarm clock is composed of solid metal frame, glass clock cover and plastic rear cover. No Ticking Noise This bedside alarm clock is quiet and does not make annoying ticking sound. It is suitable for people who are sensitive while sleeping. Soft BacklightOnly via pressing the button, you can see the backlight light up. It is quite soft for your eyes when you need to check time at midnight. Easy to Operate Thanks to the simple design, it is very easy to set time and alarm, turn on/off the alarm, and light up backlight. Battery Operated The clock is charged by an AA battery, which is NOT included in the package. To prolong the service life, we recommend to use non-alkaline battery.